{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "A linear ion trap mass spectrometer equipped with a vacuum matrix - assisted laser desorption ionization ( vMALDI ) source is used to perform MS2 as well as MS3 experiments ."}
{"Anatomy": []}